Susi is a distinctive girls' name in United States, ranking #11670 in 2000 with 8 recorded births. This places Susi in the bottom 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 9 births ranking #11504. In 2000, approximately 1 in every 226,997 girls born was named Susi. STABLE Recent data shows the name is currently stable.